Millon Clinical Multiaxial Inventory III MCMIIII MCMI Description

Millon Clinical Multiaxial Inventory III (MCMI-III)

MCMI: Description ○ ○ ○ An MMPI-like, true-false inventory 175 items Includes validity, clinical personality, and clinical syndrome scales Based on Millon’s personality theory Tied to DSM-IV diagnoses

MCMI: Test Construction ○ Three phases ● ● ● ○ Theoretical-substantive Internal-structural External-criterion Normed on clinical samples

MCMI: Scales ○ Validity/Modifying Indices ● ● ● X Disclosure Y Desirability Z Debasement

MCMI: Scales (cont) ○ Clinical Personality ● ● ● ○ 1 2 A 2 B 3 4 5 6 6 B 7 8 A 8 B Schizoid Avoidant Depressive Dependent Histrionic Narcissistic Antisocial Sadistic (Aggressive) Compulsive Negativistic Masochistic Severe Personality Pathology ● ● ● S Schizotypal C Borderline P Paranoid

MCMI: Scales (cont) ○ Clinical Syndromes ● ● ● ● ○ A H N D B T R Anxiety Somatoform Bipolar: Manic Dysthymia Alcohol Dependence Drug Dependence PTSD Severe Clinical Syndromes ● ● ● SS Thought Disorder CC Major Depression PP Delusional Disorder

MCMI: Scoring and Interpreting ○ Base Rate Anchors ● ● ● ○ 115 Maximum raw score 85 Prevalence PD disorder (1 -8) or Prev of “prominent” disorder (A-PP) 75 Prev of PD traits or Prev of present disorder (A-PP) 60 Median for patients 0 Minimum raw score Score adjustment ● ● X Disclosure Anxiety/Depression Inpatient adjustment Denial/Complaint adjustment

MCMI: Strengths ○ ○ ○ ○ Relatively brief; easy to administer Easy computer scoring Good reliability Tied to Millon’s theory Tied to DSM-IV dx (including PD) Use of base rates Some research support

MCMI: Limitations ○ ○ Difficult to score by hand Descriptions and predictions are more theoretically than empirically based Tied to Millon’s personality theory Interpretation, especially of Axis I disorders, is not as easy as it looks